MachineImpl.h@ 72098

Last change on this file since 72098 was 71108, checked in by vboxsync, 7 years ago
Added speculation control settings to API, refined implementation.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 69.3 KB

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1	/* $Id: MachineImpl.h 71108 2018-02-22 15:38:35Z vboxsync $ */
2	/** @file
3	* Implementation of IMachine in VBoxSVC - Header.
4	*/
5
6	/*
7	* Copyright (C) 2006-2017 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#ifndef ____H_MACHINEIMPL
19	#define ____H_MACHINEIMPL
20
21	#include "AuthLibrary.h"
22	#include "VirtualBoxBase.h"
23	#include "SnapshotImpl.h"
24	#include "ProgressImpl.h"
25	#include "VRDEServerImpl.h"
26	#include "MediumAttachmentImpl.h"
27	#include "PCIDeviceAttachmentImpl.h"
28	#include "MediumLock.h"
29	#include "NetworkAdapterImpl.h"
30	#include "AudioAdapterImpl.h"
31	#include "SerialPortImpl.h"
32	#include "ParallelPortImpl.h"
33	#include "BIOSSettingsImpl.h"
34	#include "StorageControllerImpl.h" // required for MachineImpl.h to compile on Windows
35	#include "USBControllerImpl.h" // required for MachineImpl.h to compile on Windows
36	#include "BandwidthControlImpl.h"
37	#include "BandwidthGroupImpl.h"
38	#ifdef VBOX_WITH_RESOURCE_USAGE_API
39	# include "Performance.h"
40	# include "PerformanceImpl.h"
41	# include "ThreadTask.h"
42	#endif
43
44	// generated header
45	#include "SchemaDefs.h"
46
47	#include "VBox/com/ErrorInfo.h"
48
49	#include <iprt/file.h>
50	#include <iprt/thread.h>
51	#include <iprt/time.h>
52
53	#include <list>
54	#include <vector>
55
56	#include "MachineWrap.h"
57
58	/** @todo r=klaus after moving the various Machine settings structs to
59	* MachineImpl.cpp it should be possible to eliminate this include. */
60	#include <VBox/settings.h>
61
62	// defines
63	////////////////////////////////////////////////////////////////////////////////
64
65	// helper declarations
66	////////////////////////////////////////////////////////////////////////////////
67
68	class Progress;
69	class ProgressProxy;
70	class Keyboard;
71	class Mouse;
72	class Display;
73	class MachineDebugger;
74	class USBController;
75	class USBDeviceFilters;
76	class Snapshot;
77	class SharedFolder;
78	class HostUSBDevice;
79	class StorageController;
80	class SessionMachine;
81	#ifdef VBOX_WITH_UNATTENDED
82	class Unattended;
83	#endif
84
85	// Machine class
86	////////////////////////////////////////////////////////////////////////////////
87	//
88	class ATL_NO_VTABLE Machine :
89	public MachineWrap
90	{
91
92	public:
93
94	enum StateDependency
95	{
96	AnyStateDep = 0,
97	MutableStateDep,
98	MutableOrSavedStateDep,
99	MutableOrRunningStateDep,
100	MutableOrSavedOrRunningStateDep,
101	};
102
103	/**
104	* Internal machine data.
105	*
106	* Only one instance of this data exists per every machine -- it is shared
107	* by the Machine, SessionMachine and all SnapshotMachine instances
108	* associated with the given machine using the util::Shareable template
109	* through the mData variable.
110	*
111	* @note \|const\| members are persistent during lifetime so can be
112	* accessed without locking.
113	*
114	* @note There is no need to lock anything inside init() or uninit()
115	* methods, because they are always serialized (see AutoCaller).
116	*/
117	struct Data
118	{
119	/**
120	* Data structure to hold information about sessions opened for the
121	* given machine.
122	*/
123	struct Session
124	{
125	/** Type of lock which created this session */
126	LockType_T mLockType;
127
128	/** Control of the direct session opened by lockMachine() */
129	ComPtr<IInternalSessionControl> mDirectControl;
130
131	typedef std::list<ComPtr<IInternalSessionControl> > RemoteControlList;
132
133	/** list of controls of all opened remote sessions */
134	RemoteControlList mRemoteControls;
135
136	/** launchVMProcess() and OnSessionEnd() progress indicator */
137	ComObjPtr<ProgressProxy> mProgress;
138
139	/**
140	* PID of the session object that must be passed to openSession()
141	* to finalize the launchVMProcess() request (i.e., PID of the
142	* process created by launchVMProcess())
143	*/
144	RTPROCESS mPID;
145
146	/** Current session state */
147	SessionState_T mState;
148
149	/** Session name string (of the primary session) */
150	Utf8Str mName;
151
152	/** Session machine object */
153	ComObjPtr<SessionMachine> mMachine;
154
155	/** Medium object lock collection. */
156	MediumLockListMap mLockedMedia;
157	};
158
159	Data();
160	~Data();
161
162	const Guid mUuid;
163	BOOL mRegistered;
164
165	Utf8Str m_strConfigFile;
166	Utf8Str m_strConfigFileFull;
167
168	// machine settings XML file
169	settings::MachineConfigFile *pMachineConfigFile;
170	uint32_t flModifications;
171	bool m_fAllowStateModification;
172
173	BOOL mAccessible;
174	com::ErrorInfo mAccessError;
175
176	MachineState_T mMachineState;
177	RTTIMESPEC mLastStateChange;
178
179	/* Note: These are guarded by VirtualBoxBase::stateLockHandle() */
180	uint32_t mMachineStateDeps;
181	RTSEMEVENTMULTI mMachineStateDepsSem;
182	uint32_t mMachineStateChangePending;
183
184	BOOL mCurrentStateModified;
185	/** Guest properties have been modified and need saving since the
186	* machine was started, or there are transient properties which need
187	* deleting and the machine is being shut down. */
188	BOOL mGuestPropertiesModified;
189
190	Session mSession;
191
192	ComObjPtr<Snapshot> mFirstSnapshot;
193	ComObjPtr<Snapshot> mCurrentSnapshot;
194
195	// list of files to delete in Delete(); this list is filled by Unregister()
196	std::list<Utf8Str> llFilesToDelete;
197	};
198
199	/**
200	* Saved state data.
201	*
202	* It's actually only the state file path string, but it needs to be
203	* separate from Data, because Machine and SessionMachine instances
204	* share it, while SnapshotMachine does not.
205	*
206	* The data variable is \|mSSData\|.
207	*/
208	struct SSData
209	{
210	Utf8Str strStateFilePath;
211	};
212
213	/**
214	* User changeable machine data.
215	*
216	* This data is common for all machine snapshots, i.e. it is shared
217	* by all SnapshotMachine instances associated with the given machine
218	* using the util::Backupable template through the \|mUserData\| variable.
219	*
220	* SessionMachine instances can alter this data and discard changes.
221	*
222	* @note There is no need to lock anything inside init() or uninit()
223	* methods, because they are always serialized (see AutoCaller).
224	*/
225	struct UserData
226	{
227	settings::MachineUserData s;
228	};
229
230	/**
231	* Hardware data.
232	*
233	* This data is unique for a machine and for every machine snapshot.
234	* Stored using the util::Backupable template in the \|mHWData\| variable.
235	*
236	* SessionMachine instances can alter this data and discard changes.
237	*
238	* @todo r=klaus move all "pointer" objects out of this struct, as they
239	* need non-obvious handling when creating a new session or when taking
240	* a snapshot. Better do this right straight away, not relying on the
241	* template magic which doesn't work right in this case.
242	*/
243	struct HWData
244	{
245	/**
246	* Data structure to hold information about a guest property.
247	*/
248	struct GuestProperty {
249	/** Property value */
250	Utf8Str strValue;
251	/** Property timestamp */
252	LONG64 mTimestamp;
253	/** Property flags */
254	ULONG mFlags;
255	};
256
257	HWData();
258	~HWData();
259
260	Bstr mHWVersion;
261	Guid mHardwareUUID; /*< If Null, use mData.mUuid. /
262	ULONG mMemorySize;
263	ULONG mMemoryBalloonSize;
264	BOOL mPageFusionEnabled;
265	GraphicsControllerType_T mGraphicsControllerType;
266	ULONG mVRAMSize;
267	ULONG mVideoCaptureWidth;
268	ULONG mVideoCaptureHeight;
269	ULONG mVideoCaptureRate;
270	ULONG mVideoCaptureFPS;
271	ULONG mVideoCaptureMaxTime;
272	ULONG mVideoCaptureMaxFileSize;
273	Utf8Str mVideoCaptureOptions;
274	Utf8Str mVideoCaptureFile;
275	BOOL mVideoCaptureEnabled;
276	BOOL maVideoCaptureScreens[SchemaDefs::MaxGuestMonitors];
277	ULONG mMonitorCount;
278	BOOL mHWVirtExEnabled;
279	BOOL mHWVirtExNestedPagingEnabled;
280	BOOL mHWVirtExLargePagesEnabled;
281	BOOL mHWVirtExVPIDEnabled;
282	BOOL mHWVirtExUXEnabled;
283	BOOL mHWVirtExForceEnabled;
284	BOOL mAccelerate2DVideoEnabled;
285	BOOL mPAEEnabled;
286	settings::Hardware::LongModeType mLongMode;
287	BOOL mTripleFaultReset;
288	BOOL mAPIC;
289	BOOL mX2APIC;
290	BOOL mIBPBOnVMExit;
291	BOOL mIBPBOnVMEntry;
292	BOOL mSpecCtrl;
293	BOOL mSpecCtrlByHost;
294	BOOL mNestedHWVirt;
295	ULONG mCPUCount;
296	BOOL mCPUHotPlugEnabled;
297	ULONG mCpuExecutionCap;
298	uint32_t mCpuIdPortabilityLevel;
299	Utf8Str mCpuProfile;
300	BOOL mAccelerate3DEnabled;
301	BOOL mHPETEnabled;
302
303	BOOL mCPUAttached[SchemaDefs::MaxCPUCount];
304
305	std::list<settings::CpuIdLeaf> mCpuIdLeafList;
306
307	DeviceType_T mBootOrder[SchemaDefs::MaxBootPosition];
308
309	typedef std::list<ComObjPtr<SharedFolder> > SharedFolderList;
310	SharedFolderList mSharedFolders;
311
312	ClipboardMode_T mClipboardMode;
313	DnDMode_T mDnDMode;
314
315	typedef std::map<Utf8Str, GuestProperty> GuestPropertyMap;
316	GuestPropertyMap mGuestProperties;
317
318	FirmwareType_T mFirmwareType;
319	KeyboardHIDType_T mKeyboardHIDType;
320	PointingHIDType_T mPointingHIDType;
321	ChipsetType_T mChipsetType;
322	ParavirtProvider_T mParavirtProvider;
323	Utf8Str mParavirtDebug;
324	BOOL mEmulatedUSBCardReaderEnabled;
325
326	BOOL mIOCacheEnabled;
327	ULONG mIOCacheSize;
328
329	typedef std::list<ComObjPtr<PCIDeviceAttachment> > PCIDeviceAssignmentList;
330	PCIDeviceAssignmentList mPCIDeviceAssignments;
331
332	settings::Debugging mDebugging;
333	settings::Autostart mAutostart;
334
335	Utf8Str mDefaultFrontend;
336	};
337
338	typedef std::list<ComObjPtr<MediumAttachment> > MediumAttachmentList;
339
340	DECLARE_EMPTY_CTOR_DTOR(Machine)
341
342	HRESULT FinalConstruct();
343	void FinalRelease();
344
345	// public initializer/uninitializer for internal purposes only:
346
347	// initializer for creating a new, empty machine
348	HRESULT init(VirtualBox *aParent,
349	const Utf8Str &strConfigFile,
350	const Utf8Str &strName,
351	const StringsList &llGroups,
352	GuestOSType *aOsType,
353	const Guid &aId,
354	bool fForceOverwrite,
355	bool fDirectoryIncludesUUID);
356
357	// initializer for loading existing machine XML (either registered or not)
358	HRESULT initFromSettings(VirtualBox *aParent,
359	const Utf8Str &strConfigFile,
360	const Guid *aId);
361
362	// initializer for machine config in memory (OVF import)
363	HRESULT init(VirtualBox *aParent,
364	const Utf8Str &strName,
365	const settings::MachineConfigFile &config);
366
367	void uninit();
368
369	#ifdef VBOX_WITH_RESOURCE_USAGE_API
370	// Needed from VirtualBox, for the delayed metrics cleanup.
371	void i_unregisterMetrics(PerformanceCollector aCollector, Machine aMachine);
372	#endif /* VBOX_WITH_RESOURCE_USAGE_API */
373
374	protected:
375	HRESULT initImpl(VirtualBox *aParent,
376	const Utf8Str &strConfigFile);
377	HRESULT initDataAndChildObjects();
378	HRESULT i_registeredInit();
379	HRESULT i_tryCreateMachineConfigFile(bool fForceOverwrite);
380	void uninitDataAndChildObjects();
381
382	public:
383
384
385	// public methods only for internal purposes
386
387	virtual bool i_isSnapshotMachine() const
388	{
389	return false;
390	}
391
392	virtual bool i_isSessionMachine() const
393	{
394	return false;
395	}
396
397	/**
398	* Override of the default locking class to be used for validating lock
399	* order with the standard member lock handle.
400	*/
401	virtual VBoxLockingClass getLockingClass() const
402	{
403	return LOCKCLASS_MACHINEOBJECT;
404	}
405
406	/// @todo (dmik) add lock and make non-inlined after revising classes
407	// that use it. Note: they should enter Machine lock to keep the returned
408	// information valid!
409	bool i_isRegistered() { return !!mData->mRegistered; }
410
411	// unsafe inline public methods for internal purposes only (ensure there is
412	// a caller and a read lock before calling them!)
413
414	/**
415	* Returns the VirtualBox object this machine belongs to.
416	*
417	* @note This method doesn't check this object's readiness. Intended to be
418	* used by ready Machine children (whose readiness is bound to the parent's
419	* one) or after doing addCaller() manually.
420	*/
421	VirtualBox* i_getVirtualBox() const { return mParent; }
422
423	/**
424	* Checks if this machine is accessible, without attempting to load the
425	* config file.
426	*
427	* @note This method doesn't check this object's readiness. Intended to be
428	* used by ready Machine children (whose readiness is bound to the parent's
429	* one) or after doing addCaller() manually.
430	*/
431	bool i_isAccessible() const { return !!mData->mAccessible; }
432
433	/**
434	* Returns this machine ID.
435	*
436	* @note This method doesn't check this object's readiness. Intended to be
437	* used by ready Machine children (whose readiness is bound to the parent's
438	* one) or after adding a caller manually.
439	*/
440	const Guid& i_getId() const { return mData->mUuid; }
441
442	/**
443	* Returns the snapshot ID this machine represents or an empty UUID if this
444	* instance is not SnapshotMachine.
445	*
446	* @note This method doesn't check this object's readiness. Intended to be
447	* used by ready Machine children (whose readiness is bound to the parent's
448	* one) or after adding a caller manually.
449	*/
450	inline const Guid& i_getSnapshotId() const;
451
452	/**
453	* Returns this machine's full settings file path.
454	*
455	* @note This method doesn't lock this object or check its readiness.
456	* Intended to be used only after doing addCaller() manually and locking it
457	* for reading.
458	*/
459	const Utf8Str& i_getSettingsFileFull() const { return mData->m_strConfigFileFull; }
460
461	/**
462	* Returns this machine name.
463	*
464	* @note This method doesn't lock this object or check its readiness.
465	* Intended to be used only after doing addCaller() manually and locking it
466	* for reading.
467	*/
468	const Utf8Str& i_getName() const { return mUserData->s.strName; }
469
470	enum
471	{
472	IsModified_MachineData = 0x0001,
473	IsModified_Storage = 0x0002,
474	IsModified_NetworkAdapters = 0x0008,
475	IsModified_SerialPorts = 0x0010,
476	IsModified_ParallelPorts = 0x0020,
477	IsModified_VRDEServer = 0x0040,
478	IsModified_AudioAdapter = 0x0080,
479	IsModified_USB = 0x0100,
480	IsModified_BIOS = 0x0200,
481	IsModified_SharedFolders = 0x0400,
482	IsModified_Snapshots = 0x0800,
483	IsModified_BandwidthControl = 0x1000
484	};
485
486	/**
487	* Returns various information about this machine.
488	*
489	* @note This method doesn't lock this object or check its readiness.
490	* Intended to be used only after doing addCaller() manually and locking it
491	* for reading.
492	*/
493	Utf8Str i_getOSTypeId() const { return mUserData->s.strOsType; }
494	ChipsetType_T i_getChipsetType() const { return mHWData->mChipsetType; }
495	ParavirtProvider_T i_getParavirtProvider() const { return mHWData->mParavirtProvider; }
496	Utf8Str i_getParavirtDebug() const { return mHWData->mParavirtDebug; }
497
498	void i_setModified(uint32_t fl, bool fAllowStateModification = true);
499	void i_setModifiedLock(uint32_t fl, bool fAllowStateModification = true);
500
501	bool i_isStateModificationAllowed() const { return mData->m_fAllowStateModification; }
502	void i_allowStateModification() { mData->m_fAllowStateModification = true; }
503	void i_disallowStateModification() { mData->m_fAllowStateModification = false; }
504
505	const StringsList &i_getGroups() const { return mUserData->s.llGroups; }
506
507	// callback handlers
508	virtual HRESULT i_onNetworkAdapterChange(INetworkAdapter * /* networkAdapter /, BOOL / changeAdapter */) { return S_OK; }
509	virtual HRESULT i_onNATRedirectRuleChange(ULONG /* slot /, BOOL / fRemove / , IN_BSTR / name */,
510	NATProtocol_T /* protocol /, IN_BSTR / host ip /, LONG / host port */,
511	IN_BSTR /* guest port /, LONG / guest port */ ) { return S_OK; }
512	virtual HRESULT i_onAudioAdapterChange(IAudioAdapter * /* audioAdapter */) { return S_OK; }
513	virtual HRESULT i_onSerialPortChange(ISerialPort * /* serialPort */) { return S_OK; }
514	virtual HRESULT i_onParallelPortChange(IParallelPort * /* parallelPort */) { return S_OK; }
515	virtual HRESULT i_onVRDEServerChange(BOOL /* aRestart */) { return S_OK; }
516	virtual HRESULT i_onUSBControllerChange() { return S_OK; }
517	virtual HRESULT i_onStorageControllerChange() { return S_OK; }
518	virtual HRESULT i_onCPUChange(ULONG /* aCPU /, BOOL / aRemove */) { return S_OK; }
519	virtual HRESULT i_onCPUExecutionCapChange(ULONG /* aExecutionCap */) { return S_OK; }
520	virtual HRESULT i_onMediumChange(IMediumAttachment * /* mediumAttachment /, BOOL / force */) { return S_OK; }
521	virtual HRESULT i_onSharedFolderChange() { return S_OK; }
522	virtual HRESULT i_onClipboardModeChange(ClipboardMode_T /* aClipboardMode */) { return S_OK; }
523	virtual HRESULT i_onDnDModeChange(DnDMode_T /* aDnDMode */) { return S_OK; }
524	virtual HRESULT i_onBandwidthGroupChange(IBandwidthGroup * /* aBandwidthGroup */) { return S_OK; }
525	virtual HRESULT i_onStorageDeviceChange(IMediumAttachment * /* mediumAttachment /, BOOL / remove */,
526	BOOL /* silent */) { return S_OK; }
527	virtual HRESULT i_onVideoCaptureChange() { return S_OK; }
528
529	HRESULT i_saveRegistryEntry(settings::MachineRegistryEntry &data);
530
531	int i_calculateFullPath(const Utf8Str &strPath, Utf8Str &aResult);
532	void i_copyPathRelativeToMachine(const Utf8Str &strSource, Utf8Str &strTarget);
533
534	void i_getLogFolder(Utf8Str &aLogFolder);
535	Utf8Str i_getLogFilename(ULONG idx);
536	Utf8Str i_getHardeningLogFilename(void);
537
538	void i_composeSavedStateFilename(Utf8Str &strStateFilePath);
539
540	void i_getDefaultVideoCaptureFile(Utf8Str &strFile);
541
542	bool i_isUSBControllerPresent();
543
544	HRESULT i_launchVMProcess(IInternalSessionControl *aControl,
545	const Utf8Str &strType,
546	const Utf8Str &strEnvironment,
547	ProgressProxy *aProgress);
548
549	HRESULT i_getDirectControl(ComPtr<IInternalSessionControl> *directControl)
550	{
551	HRESULT rc;
552	*directControl = mData->mSession.mDirectControl;
553
554	if (!*directControl)
555	rc = E_ACCESSDENIED;
556	else
557	rc = S_OK;
558
559	return rc;
560	}
561
562	bool i_isSessionOpen(ComObjPtr<SessionMachine> &aMachine,
563	ComPtr<IInternalSessionControl> *aControl = NULL,
564	bool aRequireVM = false,
565	bool aAllowClosing = false);
566	bool i_isSessionSpawning();
567
568	bool i_isSessionOpenOrClosing(ComObjPtr<SessionMachine> &aMachine,
569	ComPtr<IInternalSessionControl> *aControl = NULL)
570	{ return i_isSessionOpen(aMachine, aControl, false /* aRequireVM /, true / aAllowClosing */); }
571
572	bool i_isSessionOpenVM(ComObjPtr<SessionMachine> &aMachine,
573	ComPtr<IInternalSessionControl> *aControl = NULL)
574	{ return i_isSessionOpen(aMachine, aControl, true /* aRequireVM /, false / aAllowClosing */); }
575
576	bool i_checkForSpawnFailure();
577
578	HRESULT i_prepareRegister();
579
580	HRESULT i_getSharedFolder(CBSTR aName,
581	ComObjPtr<SharedFolder> &aSharedFolder,
582	bool aSetError = false)
583	{
584	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
585	return i_findSharedFolder(aName, aSharedFolder, aSetError);
586	}
587
588	HRESULT i_addStateDependency(StateDependency aDepType = AnyStateDep,
589	MachineState_T *aState = NULL,
590	BOOL *aRegistered = NULL);
591	void i_releaseStateDependency();
592
593	HRESULT i_getStorageControllerByName(const Utf8Str &aName,
594	ComObjPtr<StorageController> &aStorageController,
595	bool aSetError = false);
596
597	HRESULT i_getMediumAttachmentsOfController(const Utf8Str &aName,
598	MediumAttachmentList &aAttachments);
599
600	HRESULT i_getUSBControllerByName(const Utf8Str &aName,
601	ComObjPtr<USBController> &aUSBController,
602	bool aSetError = false);
603
604	HRESULT i_getBandwidthGroup(const Utf8Str &strBandwidthGroup,
605	ComObjPtr<BandwidthGroup> &pBandwidthGroup,
606	bool fSetError = false)
607	{
608	return mBandwidthControl->i_getBandwidthGroupByName(strBandwidthGroup,
609	pBandwidthGroup,
610	fSetError);
611	}
612
613	static HRESULT i_setErrorStatic(HRESULT aResultCode, const char *pcszMsg, ...);
614
615	protected:
616
617	class ClientToken;
618
619	HRESULT i_checkStateDependency(StateDependency aDepType);
620
621	Machine *i_getMachine();
622
623	void i_ensureNoStateDependencies();
624
625	virtual HRESULT i_setMachineState(MachineState_T aMachineState);
626
627	HRESULT i_findSharedFolder(const Utf8Str &aName,
628	ComObjPtr<SharedFolder> &aSharedFolder,
629	bool aSetError = false);
630
631	HRESULT i_loadSettings(bool aRegistered);
632	HRESULT i_loadMachineDataFromSettings(const settings::MachineConfigFile &config,
633	const Guid *puuidRegistry);
634	HRESULT i_loadSnapshot(const settings::Snapshot &data,
635	const Guid &aCurSnapshotId,
636	Snapshot *aParentSnapshot);
637	HRESULT i_loadHardware(const Guid *puuidRegistry,
638	const Guid *puuidSnapshot,
639	const settings::Hardware &data,
640	const settings::Debugging *pDbg,
641	const settings::Autostart *pAutostart);
642	HRESULT i_loadDebugging(const settings::Debugging *pDbg);
643	HRESULT i_loadAutostart(const settings::Autostart *pAutostart);
644	HRESULT i_loadStorageControllers(const settings::Storage &data,
645	const Guid *puuidRegistry,
646	const Guid *puuidSnapshot);
647	HRESULT i_loadStorageDevices(StorageController *aStorageController,
648	const settings::StorageController &data,
649	const Guid *puuidRegistry,
650	const Guid *puuidSnapshot);
651
652	HRESULT i_findSnapshotById(const Guid &aId,
653	ComObjPtr<Snapshot> &aSnapshot,
654	bool aSetError = false);
655	HRESULT i_findSnapshotByName(const Utf8Str &strName,
656	ComObjPtr<Snapshot> &aSnapshot,
657	bool aSetError = false);
658
659	ULONG i_getUSBControllerCountByType(USBControllerType_T enmType);
660
661	enum
662	{
663	/* flags for #saveSettings() */
664	SaveS_ResetCurStateModified = 0x01,
665	SaveS_Force = 0x04,
666	/* flags for #saveStateSettings() */
667	SaveSTS_CurStateModified = 0x20,
668	SaveSTS_StateFilePath = 0x40,
669	SaveSTS_StateTimeStamp = 0x80
670	};
671
672	HRESULT i_prepareSaveSettings(bool *pfNeedsGlobalSaveSettings);
673	HRESULT i_saveSettings(bool *pfNeedsGlobalSaveSettings, int aFlags = 0);
674
675	void i_copyMachineDataToSettings(settings::MachineConfigFile &config);
676	HRESULT i_saveAllSnapshots(settings::MachineConfigFile &config);
677	HRESULT i_saveHardware(settings::Hardware &data, settings::Debugging *pDbg,
678	settings::Autostart *pAutostart);
679	HRESULT i_saveStorageControllers(settings::Storage &data);
680	HRESULT i_saveStorageDevices(ComObjPtr<StorageController> aStorageController,
681	settings::StorageController &data);
682	HRESULT i_saveStateSettings(int aFlags);
683
684	void i_addMediumToRegistry(ComObjPtr<Medium> &pMedium);
685
686	HRESULT i_createImplicitDiffs(IProgress *aProgress,
687	ULONG aWeight,
688	bool aOnline);
689	HRESULT i_deleteImplicitDiffs(bool aOnline);
690
691	MediumAttachment* i_findAttachment(const MediumAttachmentList &ll,
692	const Utf8Str &aControllerName,
693	LONG aControllerPort,
694	LONG aDevice);
695	MediumAttachment* i_findAttachment(const MediumAttachmentList &ll,
696	ComObjPtr<Medium> pMedium);
697	MediumAttachment* i_findAttachment(const MediumAttachmentList &ll,
698	Guid &id);
699
700	HRESULT i_detachDevice(MediumAttachment *pAttach,
701	AutoWriteLock &writeLock,
702	Snapshot *pSnapshot);
703
704	HRESULT i_detachAllMedia(AutoWriteLock &writeLock,
705	Snapshot *pSnapshot,
706	CleanupMode_T cleanupMode,
707	MediaList &llMedia);
708
709	void i_commitMedia(bool aOnline = false);
710	void i_rollbackMedia();
711
712	bool i_isInOwnDir(Utf8Str *aSettingsDir = NULL) const;
713
714	void i_rollback(bool aNotify);
715	void i_commit();
716	void i_copyFrom(Machine *aThat);
717	bool i_isControllerHotplugCapable(StorageControllerType_T enmCtrlType);
718
719	Utf8Str i_getExtraData(const Utf8Str &strKey);
720
721	#ifdef VBOX_WITH_GUEST_PROPS
722	HRESULT i_getGuestPropertyFromService(const com::Utf8Str &aName, com::Utf8Str &aValue,
723	LONG64 *aTimestamp, com::Utf8Str &aFlags) const;
724	HRESULT i_setGuestPropertyToService(const com::Utf8Str &aName, const com::Utf8Str &aValue,
725	const com::Utf8Str &aFlags, bool fDelete);
726	HRESULT i_getGuestPropertyFromVM(const com::Utf8Str &aName, com::Utf8Str &aValue,
727	LONG64 *aTimestamp, com::Utf8Str &aFlags) const;
728	HRESULT i_setGuestPropertyToVM(const com::Utf8Str &aName, const com::Utf8Str &aValue,
729	const com::Utf8Str &aFlags, bool fDelete);
730	HRESULT i_enumerateGuestPropertiesInService(const com::Utf8Str &aPatterns,
731	std::vector<com::Utf8Str> &aNames,
732	std::vector<com::Utf8Str> &aValues,
733	std::vector<LONG64> &aTimestamps,
734	std::vector<com::Utf8Str> &aFlags);
735	HRESULT i_enumerateGuestPropertiesOnVM(const com::Utf8Str &aPatterns,
736	std::vector<com::Utf8Str> &aNames,
737	std::vector<com::Utf8Str> &aValues,
738	std::vector<LONG64> &aTimestamps,
739	std::vector<com::Utf8Str> &aFlags);
740
741	#endif /* VBOX_WITH_GUEST_PROPS */
742
743	#ifdef VBOX_WITH_RESOURCE_USAGE_API
744	void i_getDiskList(MediaList &list);
745	void i_registerMetrics(PerformanceCollector aCollector, Machine aMachine, RTPROCESS pid);
746
747	pm::CollectorGuest *mCollectorGuest;
748	#endif /* VBOX_WITH_RESOURCE_USAGE_API */
749
750	Machine * const mPeer;
751
752	VirtualBox * const mParent;
753
754	Shareable<Data> mData;
755	Shareable<SSData> mSSData;
756
757	Backupable<UserData> mUserData;
758	Backupable<HWData> mHWData;
759
760	/**
761	* Hard disk and other media data.
762	*
763	* The usage policy is the same as for mHWData, but a separate field
764	* is necessary because hard disk data requires different procedures when
765	* taking or deleting snapshots, etc.
766	*
767	* @todo r=klaus change this to a regular list and use the normal way to
768	* handle the settings when creating a session or taking a snapshot.
769	* Same thing applies to mStorageControllers and mUSBControllers.
770	*/
771	Backupable<MediumAttachmentList> mMediumAttachments;
772
773	// the following fields need special backup/rollback/commit handling,
774	// so they cannot be a part of HWData
775
776	const ComObjPtr<VRDEServer> mVRDEServer;
777	const ComObjPtr<SerialPort> mSerialPorts[SchemaDefs::SerialPortCount];
778	const ComObjPtr<ParallelPort> mParallelPorts[SchemaDefs::ParallelPortCount];
779	const ComObjPtr<AudioAdapter> mAudioAdapter;
780	const ComObjPtr<USBDeviceFilters> mUSBDeviceFilters;
781	const ComObjPtr<BIOSSettings> mBIOSSettings;
782	const ComObjPtr<BandwidthControl> mBandwidthControl;
783
784	typedef std::vector<ComObjPtr<NetworkAdapter> > NetworkAdapterVector;
785	NetworkAdapterVector mNetworkAdapters;
786
787	typedef std::list<ComObjPtr<StorageController> > StorageControllerList;
788	Backupable<StorageControllerList> mStorageControllers;
789
790	typedef std::list<ComObjPtr<USBController> > USBControllerList;
791	Backupable<USBControllerList> mUSBControllers;
792
793	uint64_t uRegistryNeedsSaving;
794
795	/**
796	* Abstract base class for all Machine or SessionMachine related
797	* asynchronous tasks. This is necessary since RTThreadCreate cannot call
798	* a (non-static) method as its thread function, so instead we have it call
799	* the static Machine::taskHandler, which then calls the handler() method
800	* in here (implemented by the subclasses).
801	*/
802	class Task : public ThreadTask
803	{
804	public:
805	Task(Machine m, Progress p, const Utf8Str &t)
806	: ThreadTask(t),
807	m_pMachine(m),
808	m_machineCaller(m),
809	m_pProgress(p),
810	m_machineStateBackup(m->mData->mMachineState) // save the current machine state
811	{}
812	virtual ~Task(){}
813
814	void modifyBackedUpState(MachineState_T s)
815	{
816	const_cast<MachineState_T >(&m_machineStateBackup) = s;
817	}
818
819	ComObjPtr<Machine> m_pMachine;
820	AutoCaller m_machineCaller;
821	ComObjPtr<Progress> m_pProgress;
822	const MachineState_T m_machineStateBackup;
823	};
824
825	class DeleteConfigTask;
826	void i_deleteConfigHandler(DeleteConfigTask &task);
827
828	friend class SessionMachine;
829	friend class SnapshotMachine;
830	friend class Appliance;
831	friend class VirtualBox;
832
833	friend class MachineCloneVM;
834	friend class MachineMoveVM;
835	private:
836	// wrapped IMachine properties
837	HRESULT getParent(ComPtr<IVirtualBox> &aParent);
838	HRESULT getIcon(std::vector<BYTE> &aIcon);
839	HRESULT setIcon(const std::vector<BYTE> &aIcon);
840	HRESULT getAccessible(BOOL *aAccessible);
841	HRESULT getAccessError(ComPtr<IVirtualBoxErrorInfo> &aAccessError);
842	HRESULT getName(com::Utf8Str &aName);
843	HRESULT setName(const com::Utf8Str &aName);
844	HRESULT getDescription(com::Utf8Str &aDescription);
845	HRESULT setDescription(const com::Utf8Str &aDescription);
846	HRESULT getId(com::Guid &aId);
847	HRESULT getGroups(std::vector<com::Utf8Str> &aGroups);
848	HRESULT setGroups(const std::vector<com::Utf8Str> &aGroups);
849	HRESULT getOSTypeId(com::Utf8Str &aOSTypeId);
850	HRESULT setOSTypeId(const com::Utf8Str &aOSTypeId);
851	HRESULT getHardwareVersion(com::Utf8Str &aHardwareVersion);
852	HRESULT setHardwareVersion(const com::Utf8Str &aHardwareVersion);
853	HRESULT getHardwareUUID(com::Guid &aHardwareUUID);
854	HRESULT setHardwareUUID(const com::Guid &aHardwareUUID);
855	HRESULT getCPUCount(ULONG *aCPUCount);
856	HRESULT setCPUCount(ULONG aCPUCount);
857	HRESULT getCPUHotPlugEnabled(BOOL *aCPUHotPlugEnabled);
858	HRESULT setCPUHotPlugEnabled(BOOL aCPUHotPlugEnabled);
859	HRESULT getCPUExecutionCap(ULONG *aCPUExecutionCap);
860	HRESULT setCPUExecutionCap(ULONG aCPUExecutionCap);
861	HRESULT getCPUIDPortabilityLevel(ULONG *aCPUIDPortabilityLevel);
862	HRESULT setCPUIDPortabilityLevel(ULONG aCPUIDPortabilityLevel);
863	HRESULT getCPUProfile(com::Utf8Str &aCPUProfile);
864	HRESULT setCPUProfile(const com::Utf8Str &aCPUProfile);
865	HRESULT getMemorySize(ULONG *aMemorySize);
866	HRESULT setMemorySize(ULONG aMemorySize);
867	HRESULT getMemoryBalloonSize(ULONG *aMemoryBalloonSize);
868	HRESULT setMemoryBalloonSize(ULONG aMemoryBalloonSize);
869	HRESULT getPageFusionEnabled(BOOL *aPageFusionEnabled);
870	HRESULT setPageFusionEnabled(BOOL aPageFusionEnabled);
871	HRESULT getGraphicsControllerType(GraphicsControllerType_T *aGraphicsControllerType);
872	HRESULT setGraphicsControllerType(GraphicsControllerType_T aGraphicsControllerType);
873	HRESULT getVRAMSize(ULONG *aVRAMSize);
874	HRESULT setVRAMSize(ULONG aVRAMSize);
875	HRESULT getAccelerate3DEnabled(BOOL *aAccelerate3DEnabled);
876	HRESULT setAccelerate3DEnabled(BOOL aAccelerate3DEnabled);
877	HRESULT getAccelerate2DVideoEnabled(BOOL *aAccelerate2DVideoEnabled);
878	HRESULT setAccelerate2DVideoEnabled(BOOL aAccelerate2DVideoEnabled);
879	HRESULT getMonitorCount(ULONG *aMonitorCount);
880	HRESULT setMonitorCount(ULONG aMonitorCount);
881	HRESULT getVideoCaptureEnabled(BOOL *aVideoCaptureEnabled);
882	HRESULT setVideoCaptureEnabled(BOOL aVideoCaptureEnabled);
883	HRESULT getVideoCaptureScreens(std::vector<BOOL> &aVideoCaptureScreens);
884	HRESULT setVideoCaptureScreens(const std::vector<BOOL> &aVideoCaptureScreens);
885	HRESULT getVideoCaptureFile(com::Utf8Str &aVideoCaptureFile);
886	HRESULT setVideoCaptureFile(const com::Utf8Str &aVideoCaptureFile);
887	HRESULT getVideoCaptureWidth(ULONG *aVideoCaptureWidth);
888	HRESULT setVideoCaptureWidth(ULONG aVideoCaptureWidth);
889	HRESULT getVideoCaptureHeight(ULONG *aVideoCaptureHeight);
890	HRESULT setVideoCaptureHeight(ULONG aVideoCaptureHeight);
891	HRESULT getVideoCaptureRate(ULONG *aVideoCaptureRate);
892	HRESULT setVideoCaptureRate(ULONG aVideoCaptureRate);
893	HRESULT getVideoCaptureFPS(ULONG *aVideoCaptureFPS);
894	HRESULT setVideoCaptureFPS(ULONG aVideoCaptureFPS);
895	HRESULT getVideoCaptureMaxTime(ULONG *aVideoCaptureMaxTime);
896	HRESULT setVideoCaptureMaxTime(ULONG aVideoCaptureMaxTime);
897	HRESULT getVideoCaptureMaxFileSize(ULONG *aVideoCaptureMaxFileSize);
898	HRESULT setVideoCaptureMaxFileSize(ULONG aVideoCaptureMaxFileSize);
899	HRESULT getVideoCaptureOptions(com::Utf8Str &aVideoCaptureOptions);
900	HRESULT setVideoCaptureOptions(const com::Utf8Str &aVideoCaptureOptions);
901	HRESULT getBIOSSettings(ComPtr<IBIOSSettings> &aBIOSSettings);
902	HRESULT getFirmwareType(FirmwareType_T *aFirmwareType);
903	HRESULT setFirmwareType(FirmwareType_T aFirmwareType);
904	HRESULT getPointingHIDType(PointingHIDType_T *aPointingHIDType);
905	HRESULT setPointingHIDType(PointingHIDType_T aPointingHIDType);
906	HRESULT getKeyboardHIDType(KeyboardHIDType_T *aKeyboardHIDType);
907	HRESULT setKeyboardHIDType(KeyboardHIDType_T aKeyboardHIDType);
908	HRESULT getHPETEnabled(BOOL *aHPETEnabled);
909	HRESULT setHPETEnabled(BOOL aHPETEnabled);
910	HRESULT getChipsetType(ChipsetType_T *aChipsetType);
911	HRESULT setChipsetType(ChipsetType_T aChipsetType);
912	HRESULT getSnapshotFolder(com::Utf8Str &aSnapshotFolder);
913	HRESULT setSnapshotFolder(const com::Utf8Str &aSnapshotFolder);
914	HRESULT getVRDEServer(ComPtr<IVRDEServer> &aVRDEServer);
915	HRESULT getEmulatedUSBCardReaderEnabled(BOOL *aEmulatedUSBCardReaderEnabled);
916	HRESULT setEmulatedUSBCardReaderEnabled(BOOL aEmulatedUSBCardReaderEnabled);
917	HRESULT getMediumAttachments(std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments);
918	HRESULT getUSBControllers(std::vector<ComPtr<IUSBController> > &aUSBControllers);
919	HRESULT getUSBDeviceFilters(ComPtr<IUSBDeviceFilters> &aUSBDeviceFilters);
920	HRESULT getAudioAdapter(ComPtr<IAudioAdapter> &aAudioAdapter);
921	HRESULT getStorageControllers(std::vector<ComPtr<IStorageController> > &aStorageControllers);
922	HRESULT getSettingsFilePath(com::Utf8Str &aSettingsFilePath);
923	HRESULT getSettingsAuxFilePath(com::Utf8Str &aSettingsAuxFilePath);
924	HRESULT getSettingsModified(BOOL *aSettingsModified);
925	HRESULT getSessionState(SessionState_T *aSessionState);
926	HRESULT getSessionType(SessionType_T *aSessionType);
927	HRESULT getSessionName(com::Utf8Str &aSessionType);
928	HRESULT getSessionPID(ULONG *aSessionPID);
929	HRESULT getState(MachineState_T *aState);
930	HRESULT getLastStateChange(LONG64 *aLastStateChange);
931	HRESULT getStateFilePath(com::Utf8Str &aStateFilePath);
932	HRESULT getLogFolder(com::Utf8Str &aLogFolder);
933	HRESULT getCurrentSnapshot(ComPtr<ISnapshot> &aCurrentSnapshot);
934	HRESULT getSnapshotCount(ULONG *aSnapshotCount);
935	HRESULT getCurrentStateModified(BOOL *aCurrentStateModified);
936	HRESULT getSharedFolders(std::vector<ComPtr<ISharedFolder> > &aSharedFolders);
937	HRESULT getClipboardMode(ClipboardMode_T *aClipboardMode);
938	HRESULT setClipboardMode(ClipboardMode_T aClipboardMode);
939	HRESULT getDnDMode(DnDMode_T *aDnDMode);
940	HRESULT setDnDMode(DnDMode_T aDnDMode);
941	HRESULT getTeleporterEnabled(BOOL *aTeleporterEnabled);
942	HRESULT setTeleporterEnabled(BOOL aTeleporterEnabled);
943	HRESULT getTeleporterPort(ULONG *aTeleporterPort);
944	HRESULT setTeleporterPort(ULONG aTeleporterPort);
945	HRESULT getTeleporterAddress(com::Utf8Str &aTeleporterAddress);
946	HRESULT setTeleporterAddress(const com::Utf8Str &aTeleporterAddress);
947	HRESULT getTeleporterPassword(com::Utf8Str &aTeleporterPassword);
948	HRESULT setTeleporterPassword(const com::Utf8Str &aTeleporterPassword);
949	HRESULT getParavirtProvider(ParavirtProvider_T *aParavirtProvider);
950	HRESULT setParavirtProvider(ParavirtProvider_T aParavirtProvider);
951	HRESULT getParavirtDebug(com::Utf8Str &aParavirtDebug);
952	HRESULT setParavirtDebug(const com::Utf8Str &aParavirtDebug);
953	HRESULT getFaultToleranceState(FaultToleranceState_T *aFaultToleranceState);
954	HRESULT setFaultToleranceState(FaultToleranceState_T aFaultToleranceState);
955	HRESULT getFaultTolerancePort(ULONG *aFaultTolerancePort);
956	HRESULT setFaultTolerancePort(ULONG aFaultTolerancePort);
957	HRESULT getFaultToleranceAddress(com::Utf8Str &aFaultToleranceAddress);
958	HRESULT setFaultToleranceAddress(const com::Utf8Str &aFaultToleranceAddress);
959	HRESULT getFaultTolerancePassword(com::Utf8Str &aFaultTolerancePassword);
960	HRESULT setFaultTolerancePassword(const com::Utf8Str &aFaultTolerancePassword);
961	HRESULT getFaultToleranceSyncInterval(ULONG *aFaultToleranceSyncInterval);
962	HRESULT setFaultToleranceSyncInterval(ULONG aFaultToleranceSyncInterval);
963	HRESULT getRTCUseUTC(BOOL *aRTCUseUTC);
964	HRESULT setRTCUseUTC(BOOL aRTCUseUTC);
965	HRESULT getIOCacheEnabled(BOOL *aIOCacheEnabled);
966	HRESULT setIOCacheEnabled(BOOL aIOCacheEnabled);
967	HRESULT getIOCacheSize(ULONG *aIOCacheSize);
968	HRESULT setIOCacheSize(ULONG aIOCacheSize);
969	HRESULT getPCIDeviceAssignments(std::vector<ComPtr<IPCIDeviceAttachment> > &aPCIDeviceAssignments);
970	HRESULT getBandwidthControl(ComPtr<IBandwidthControl> &aBandwidthControl);
971	HRESULT getTracingEnabled(BOOL *aTracingEnabled);
972	HRESULT setTracingEnabled(BOOL aTracingEnabled);
973	HRESULT getTracingConfig(com::Utf8Str &aTracingConfig);
974	HRESULT setTracingConfig(const com::Utf8Str &aTracingConfig);
975	HRESULT getAllowTracingToAccessVM(BOOL *aAllowTracingToAccessVM);
976	HRESULT setAllowTracingToAccessVM(BOOL aAllowTracingToAccessVM);
977	HRESULT getAutostartEnabled(BOOL *aAutostartEnabled);
978	HRESULT setAutostartEnabled(BOOL aAutostartEnabled);
979	HRESULT getAutostartDelay(ULONG *aAutostartDelay);
980	HRESULT setAutostartDelay(ULONG aAutostartDelay);
981	HRESULT getAutostopType(AutostopType_T *aAutostopType);
982	HRESULT setAutostopType(AutostopType_T aAutostopType);
983	HRESULT getDefaultFrontend(com::Utf8Str &aDefaultFrontend);
984	HRESULT setDefaultFrontend(const com::Utf8Str &aDefaultFrontend);
985	HRESULT getUSBProxyAvailable(BOOL *aUSBProxyAvailable);
986	HRESULT getVMProcessPriority(com::Utf8Str &aVMProcessPriority);
987	HRESULT setVMProcessPriority(const com::Utf8Str &aVMProcessPriority);
988
989	// wrapped IMachine methods
990	HRESULT lockMachine(const ComPtr<ISession> &aSession,
991	LockType_T aLockType);
992	HRESULT launchVMProcess(const ComPtr<ISession> &aSession,
993	const com::Utf8Str &aType,
994	const com::Utf8Str &aEnvironment,
995	ComPtr<IProgress> &aProgress);
996	HRESULT setBootOrder(ULONG aPosition,
997	DeviceType_T aDevice);
998	HRESULT getBootOrder(ULONG aPosition,
999	DeviceType_T *aDevice);
1000	HRESULT attachDevice(const com::Utf8Str &aName,
1001	LONG aControllerPort,
1002	LONG aDevice,
1003	DeviceType_T aType,
1004	const ComPtr<IMedium> &aMedium);
1005	HRESULT attachDeviceWithoutMedium(const com::Utf8Str &aName,
1006	LONG aControllerPort,
1007	LONG aDevice,
1008	DeviceType_T aType);
1009	HRESULT detachDevice(const com::Utf8Str &aName,
1010	LONG aControllerPort,
1011	LONG aDevice);
1012	HRESULT passthroughDevice(const com::Utf8Str &aName,
1013	LONG aControllerPort,
1014	LONG aDevice,
1015	BOOL aPassthrough);
1016	HRESULT temporaryEjectDevice(const com::Utf8Str &aName,
1017	LONG aControllerPort,
1018	LONG aDevice,
1019	BOOL aTemporaryEject);
1020	HRESULT nonRotationalDevice(const com::Utf8Str &aName,
1021	LONG aControllerPort,
1022	LONG aDevice,
1023	BOOL aNonRotational);
1024	HRESULT setAutoDiscardForDevice(const com::Utf8Str &aName,
1025	LONG aControllerPort,
1026	LONG aDevice,
1027	BOOL aDiscard);
1028	HRESULT setHotPluggableForDevice(const com::Utf8Str &aName,
1029	LONG aControllerPort,
1030	LONG aDevice,
1031	BOOL aHotPluggable);
1032	HRESULT setBandwidthGroupForDevice(const com::Utf8Str &aName,
1033	LONG aControllerPort,
1034	LONG aDevice,
1035	const ComPtr<IBandwidthGroup> &aBandwidthGroup);
1036	HRESULT setNoBandwidthGroupForDevice(const com::Utf8Str &aName,
1037	LONG aControllerPort,
1038	LONG aDevice);
1039	HRESULT unmountMedium(const com::Utf8Str &aName,
1040	LONG aControllerPort,
1041	LONG aDevice,
1042	BOOL aForce);
1043	HRESULT mountMedium(const com::Utf8Str &aName,
1044	LONG aControllerPort,
1045	LONG aDevice,
1046	const ComPtr<IMedium> &aMedium,
1047	BOOL aForce);
1048	HRESULT getMedium(const com::Utf8Str &aName,
1049	LONG aControllerPort,
1050	LONG aDevice,
1051	ComPtr<IMedium> &aMedium);
1052	HRESULT getMediumAttachmentsOfController(const com::Utf8Str &aName,
1053	std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments);
1054	HRESULT getMediumAttachment(const com::Utf8Str &aName,
1055	LONG aControllerPort,
1056	LONG aDevice,
1057	ComPtr<IMediumAttachment> &aAttachment);
1058	HRESULT attachHostPCIDevice(LONG aHostAddress,
1059	LONG aDesiredGuestAddress,
1060	BOOL aTryToUnbind);
1061	HRESULT detachHostPCIDevice(LONG aHostAddress);
1062	HRESULT getNetworkAdapter(ULONG aSlot,
1063	ComPtr<INetworkAdapter> &aAdapter);
1064	HRESULT addStorageController(const com::Utf8Str &aName,
1065	StorageBus_T aConnectionType,
1066	ComPtr<IStorageController> &aController);
1067	HRESULT getStorageControllerByName(const com::Utf8Str &aName,
1068	ComPtr<IStorageController> &aStorageController);
1069	HRESULT getStorageControllerByInstance(StorageBus_T aConnectionType,
1070	ULONG aInstance,
1071	ComPtr<IStorageController> &aStorageController);
1072	HRESULT removeStorageController(const com::Utf8Str &aName);
1073	HRESULT setStorageControllerBootable(const com::Utf8Str &aName,
1074	BOOL aBootable);
1075	HRESULT addUSBController(const com::Utf8Str &aName,
1076	USBControllerType_T aType,
1077	ComPtr<IUSBController> &aController);
1078	HRESULT removeUSBController(const com::Utf8Str &aName);
1079	HRESULT getUSBControllerByName(const com::Utf8Str &aName,
1080	ComPtr<IUSBController> &aController);
1081	HRESULT getUSBControllerCountByType(USBControllerType_T aType,
1082	ULONG *aControllers);
1083	HRESULT getSerialPort(ULONG aSlot,
1084	ComPtr<ISerialPort> &aPort);
1085	HRESULT getParallelPort(ULONG aSlot,
1086	ComPtr<IParallelPort> &aPort);
1087	HRESULT getExtraDataKeys(std::vector<com::Utf8Str> &aKeys);
1088	HRESULT getExtraData(const com::Utf8Str &aKey,
1089	com::Utf8Str &aValue);
1090	HRESULT setExtraData(const com::Utf8Str &aKey,
1091	const com::Utf8Str &aValue);
1092	HRESULT getCPUProperty(CPUPropertyType_T aProperty,
1093	BOOL *aValue);
1094	HRESULT setCPUProperty(CPUPropertyType_T aProperty,
1095	BOOL aValue);
1096	HRESULT getCPUIDLeafByOrdinal(ULONG aOrdinal,
1097	ULONG *aIdx,
1098	ULONG *aSubIdx,
1099	ULONG *aValEax,
1100	ULONG *aValEbx,
1101	ULONG *aValEcx,
1102	ULONG *aValEdx);
1103	HRESULT getCPUIDLeaf(ULONG aIdx, ULONG aSubIdx,
1104	ULONG *aValEax,
1105	ULONG *aValEbx,
1106	ULONG *aValEcx,
1107	ULONG *aValEdx);
1108	HRESULT setCPUIDLeaf(ULONG aIdx, ULONG aSubIdx,
1109	ULONG aValEax,
1110	ULONG aValEbx,
1111	ULONG aValEcx,
1112	ULONG aValEdx);
1113	HRESULT removeCPUIDLeaf(ULONG aIdx, ULONG aSubIdx);
1114	HRESULT removeAllCPUIDLeaves();
1115	HRESULT getHWVirtExProperty(HWVirtExPropertyType_T aProperty,
1116	BOOL *aValue);
1117	HRESULT setHWVirtExProperty(HWVirtExPropertyType_T aProperty,
1118	BOOL aValue);
1119	HRESULT setSettingsFilePath(const com::Utf8Str &aSettingsFilePath,
1120	ComPtr<IProgress> &aProgress);
1121	HRESULT saveSettings();
1122	HRESULT discardSettings();
1123	HRESULT unregister(AutoCaller &aAutoCaller,
1124	CleanupMode_T aCleanupMode,
1125	std::vector<ComPtr<IMedium> > &aMedia);
1126	HRESULT deleteConfig(const std::vector<ComPtr<IMedium> > &aMedia,
1127	ComPtr<IProgress> &aProgress);
1128	HRESULT exportTo(const ComPtr<IAppliance> &aAppliance,
1129	const com::Utf8Str &aLocation,
1130	ComPtr<IVirtualSystemDescription> &aDescription);
1131	HRESULT findSnapshot(const com::Utf8Str &aNameOrId,
1132	ComPtr<ISnapshot> &aSnapshot);
1133	HRESULT createSharedFolder(const com::Utf8Str &aName,
1134	const com::Utf8Str &aHostPath,
1135	BOOL aWritable,
1136	BOOL aAutomount);
1137	HRESULT removeSharedFolder(const com::Utf8Str &aName);
1138	HRESULT canShowConsoleWindow(BOOL *aCanShow);
1139	HRESULT showConsoleWindow(LONG64 *aWinId);
1140	HRESULT getGuestProperty(const com::Utf8Str &aName,
1141	com::Utf8Str &aValue,
1142	LONG64 *aTimestamp,
1143	com::Utf8Str &aFlags);
1144	HRESULT getGuestPropertyValue(const com::Utf8Str &aProperty,
1145	com::Utf8Str &aValue);
1146	HRESULT getGuestPropertyTimestamp(const com::Utf8Str &aProperty,
1147	LONG64 *aValue);
1148	HRESULT setGuestProperty(const com::Utf8Str &aProperty,
1149	const com::Utf8Str &aValue,
1150	const com::Utf8Str &aFlags);
1151	HRESULT setGuestPropertyValue(const com::Utf8Str &aProperty,
1152	const com::Utf8Str &aValue);
1153	HRESULT deleteGuestProperty(const com::Utf8Str &aName);
1154	HRESULT enumerateGuestProperties(const com::Utf8Str &aPatterns,
1155	std::vector<com::Utf8Str> &aNames,
1156	std::vector<com::Utf8Str> &aValues,
1157	std::vector<LONG64> &aTimestamps,
1158	std::vector<com::Utf8Str> &aFlags);
1159	HRESULT querySavedGuestScreenInfo(ULONG aScreenId,
1160	ULONG *aOriginX,
1161	ULONG *aOriginY,
1162	ULONG *aWidth,
1163	ULONG *aHeight,
1164	BOOL *aEnabled);
1165	HRESULT readSavedThumbnailToArray(ULONG aScreenId,
1166	BitmapFormat_T aBitmapFormat,
1167	ULONG *aWidth,
1168	ULONG *aHeight,
1169	std::vector<BYTE> &aData);
1170	HRESULT querySavedScreenshotInfo(ULONG aScreenId,
1171	ULONG *aWidth,
1172	ULONG *aHeight,
1173	std::vector<BitmapFormat_T> &aBitmapFormats);
1174	HRESULT readSavedScreenshotToArray(ULONG aScreenId,
1175	BitmapFormat_T aBitmapFormat,
1176	ULONG *aWidth,
1177	ULONG *aHeight,
1178	std::vector<BYTE> &aData);
1179
1180	HRESULT hotPlugCPU(ULONG aCpu);
1181	HRESULT hotUnplugCPU(ULONG aCpu);
1182	HRESULT getCPUStatus(ULONG aCpu,
1183	BOOL *aAttached);
1184	HRESULT getEffectiveParavirtProvider(ParavirtProvider_T *aParavirtProvider);
1185	HRESULT queryLogFilename(ULONG aIdx,
1186	com::Utf8Str &aFilename);
1187	HRESULT readLog(ULONG aIdx,
1188	LONG64 aOffset,
1189	LONG64 aSize,
1190	std::vector<BYTE> &aData);
1191	HRESULT cloneTo(const ComPtr<IMachine> &aTarget,
1192	CloneMode_T aMode,
1193	const std::vector<CloneOptions_T> &aOptions,
1194	ComPtr<IProgress> &aProgress);
1195	HRESULT moveTo(const com::Utf8Str &aTargetPath,
1196	const com::Utf8Str &aType,
1197	ComPtr<IProgress> &aProgress);
1198	HRESULT saveState(ComPtr<IProgress> &aProgress);
1199	HRESULT adoptSavedState(const com::Utf8Str &aSavedStateFile);
1200	HRESULT discardSavedState(BOOL aFRemoveFile);
1201	HRESULT takeSnapshot(const com::Utf8Str &aName,
1202	const com::Utf8Str &aDescription,
1203	BOOL aPause,
1204	com::Guid &aId,
1205	ComPtr<IProgress> &aProgress);
1206	HRESULT deleteSnapshot(const com::Guid &aId,
1207	ComPtr<IProgress> &aProgress);
1208	HRESULT deleteSnapshotAndAllChildren(const com::Guid &aId,
1209	ComPtr<IProgress> &aProgress);
1210	HRESULT deleteSnapshotRange(const com::Guid &aStartId,
1211	const com::Guid &aEndId,
1212	ComPtr<IProgress> &aProgress);
1213	HRESULT restoreSnapshot(const ComPtr<ISnapshot> &aSnapshot,
1214	ComPtr<IProgress> &aProgress);
1215	HRESULT applyDefaults(const com::Utf8Str &aFlags);
1216
1217	// wrapped IInternalMachineControl properties
1218
1219	// wrapped IInternalMachineControl methods
1220	HRESULT updateState(MachineState_T aState);
1221	HRESULT beginPowerUp(const ComPtr<IProgress> &aProgress);
1222	HRESULT endPowerUp(LONG aResult);
1223	HRESULT beginPoweringDown(ComPtr<IProgress> &aProgress);
1224	HRESULT endPoweringDown(LONG aResult,
1225	const com::Utf8Str &aErrMsg);
1226	HRESULT runUSBDeviceFilters(const ComPtr<IUSBDevice> &aDevice,
1227	BOOL *aMatched,
1228	ULONG *aMaskedInterfaces);
1229	HRESULT captureUSBDevice(const com::Guid &aId,
1230	const com::Utf8Str &aCaptureFilename);
1231	HRESULT detachUSBDevice(const com::Guid &aId,
1232	BOOL aDone);
1233	HRESULT autoCaptureUSBDevices();
1234	HRESULT detachAllUSBDevices(BOOL aDone);
1235	HRESULT onSessionEnd(const ComPtr<ISession> &aSession,
1236	ComPtr<IProgress> &aProgress);
1237	HRESULT finishOnlineMergeMedium();
1238	HRESULT pullGuestProperties(std::vector<com::Utf8Str> &aNames,
1239	std::vector<com::Utf8Str> &aValues,
1240	std::vector<LONG64> &aTimestamps,
1241	std::vector<com::Utf8Str> &aFlags);
1242	HRESULT pushGuestProperty(const com::Utf8Str &aName,
1243	const com::Utf8Str &aValue,
1244	LONG64 aTimestamp,
1245	const com::Utf8Str &aFlags);
1246	HRESULT lockMedia();
1247	HRESULT unlockMedia();
1248	HRESULT ejectMedium(const ComPtr<IMediumAttachment> &aAttachment,
1249	ComPtr<IMediumAttachment> &aNewAttachment);
1250	HRESULT reportVmStatistics(ULONG aValidStats,
1251	ULONG aCpuUser,
1252	ULONG aCpuKernel,
1253	ULONG aCpuIdle,
1254	ULONG aMemTotal,
1255	ULONG aMemFree,
1256	ULONG aMemBalloon,
1257	ULONG aMemShared,
1258	ULONG aMemCache,
1259	ULONG aPagedTotal,
1260	ULONG aMemAllocTotal,
1261	ULONG aMemFreeTotal,
1262	ULONG aMemBalloonTotal,
1263	ULONG aMemSharedTotal,
1264	ULONG aVmNetRx,
1265	ULONG aVmNetTx);
1266	HRESULT authenticateExternal(const std::vector<com::Utf8Str> &aAuthParams,
1267	com::Utf8Str &aResult);
1268	};
1269
1270	// SessionMachine class
1271	////////////////////////////////////////////////////////////////////////////////
1272
1273	/**
1274	* @note Notes on locking objects of this class:
1275	* SessionMachine shares some data with the primary Machine instance (pointed
1276	* to by the \|mPeer\| member). In order to provide data consistency it also
1277	* shares its lock handle. This means that whenever you lock a SessionMachine
1278	* instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
1279	* instance is also locked in the same lock mode. Keep it in mind.
1280	*/
1281	class ATL_NO_VTABLE SessionMachine :
1282	public Machine
1283	{
1284	public:
1285	VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(SessionMachine, IMachine)
1286
1287	DECLARE_NOT_AGGREGATABLE(SessionMachine)
1288
1289	DECLARE_PROTECT_FINAL_CONSTRUCT()
1290
1291	BEGIN_COM_MAP(SessionMachine)
1292	COM_INTERFACE_ENTRY(ISupportErrorInfo)
1293	COM_INTERFACE_ENTRY(IMachine)
1294	COM_INTERFACE_ENTRY2(IDispatch, IMachine)
1295	COM_INTERFACE_ENTRY(IInternalMachineControl)
1296	VBOX_TWEAK_INTERFACE_ENTRY(IMachine)
1297	END_COM_MAP()
1298
1299	DECLARE_EMPTY_CTOR_DTOR(SessionMachine)
1300
1301	HRESULT FinalConstruct();
1302	void FinalRelease();
1303
1304	struct Uninit
1305	{
1306	enum Reason { Unexpected, Abnormal, Normal };
1307	};
1308
1309	// public initializer/uninitializer for internal purposes only
1310	HRESULT init(Machine *aMachine);
1311	void uninit() { uninit(Uninit::Unexpected); }
1312	void uninit(Uninit::Reason aReason);
1313
1314
1315	// util::Lockable interface
1316	RWLockHandle *lockHandle() const;
1317
1318	// public methods only for internal purposes
1319
1320	virtual bool i_isSessionMachine() const
1321	{
1322	return true;
1323	}
1324
1325	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
1326	bool i_checkForDeath();
1327
1328	void i_getTokenId(Utf8Str &strTokenId);
1329	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
1330	IToken *i_getToken();
1331	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
1332	// getClientToken must be only used by callers who can guarantee that
1333	// the object cannot be deleted in the mean time, i.e. have a caller/lock.
1334	ClientToken *i_getClientToken();
1335
1336	HRESULT i_onNetworkAdapterChange(INetworkAdapter *networkAdapter, BOOL changeAdapter);
1337	HRESULT i_onNATRedirectRuleChange(ULONG ulSlot, BOOL aNatRuleRemove, IN_BSTR aRuleName,
1338	NATProtocol_T aProto, IN_BSTR aHostIp, LONG aHostPort,
1339	IN_BSTR aGuestIp, LONG aGuestPort);
1340	HRESULT i_onStorageControllerChange();
1341	HRESULT i_onMediumChange(IMediumAttachment *aMediumAttachment, BOOL aForce);
1342	HRESULT i_onAudioAdapterChange(IAudioAdapter *audioAdapter);
1343	HRESULT i_onSerialPortChange(ISerialPort *serialPort);
1344	HRESULT i_onParallelPortChange(IParallelPort *parallelPort);
1345	HRESULT i_onCPUChange(ULONG aCPU, BOOL aRemove);
1346	HRESULT i_onVRDEServerChange(BOOL aRestart);
1347	HRESULT i_onVideoCaptureChange();
1348	HRESULT i_onUSBControllerChange();
1349	HRESULT i_onUSBDeviceAttach(IUSBDevice *aDevice,
1350	IVirtualBoxErrorInfo *aError,
1351	ULONG aMaskedIfs,
1352	const com::Utf8Str &aCaptureFilename);
1353	HRESULT i_onUSBDeviceDetach(IN_BSTR aId,
1354	IVirtualBoxErrorInfo *aError);
1355	HRESULT i_onSharedFolderChange();
1356	HRESULT i_onClipboardModeChange(ClipboardMode_T aClipboardMode);
1357	HRESULT i_onDnDModeChange(DnDMode_T aDnDMode);
1358	HRESULT i_onBandwidthGroupChange(IBandwidthGroup *aBandwidthGroup);
1359	HRESULT i_onStorageDeviceChange(IMediumAttachment *aMediumAttachment, BOOL aRemove, BOOL aSilent);
1360	HRESULT i_onCPUExecutionCapChange(ULONG aCpuExecutionCap);
1361
1362	bool i_hasMatchingUSBFilter(const ComObjPtr<HostUSBDevice> &aDevice, ULONG *aMaskedIfs);
1363
1364	HRESULT i_lockMedia();
1365	HRESULT i_unlockMedia();
1366
1367	HRESULT i_saveStateWithReason(Reason_T aReason, ComPtr<IProgress> &aProgress);
1368
1369	private:
1370
1371	// wrapped IInternalMachineControl properties
1372
1373	// wrapped IInternalMachineControl methods
1374	HRESULT setRemoveSavedStateFile(BOOL aRemove);
1375	HRESULT updateState(MachineState_T aState);
1376	HRESULT beginPowerUp(const ComPtr<IProgress> &aProgress);
1377	HRESULT endPowerUp(LONG aResult);
1378	HRESULT beginPoweringDown(ComPtr<IProgress> &aProgress);
1379	HRESULT endPoweringDown(LONG aResult,
1380	const com::Utf8Str &aErrMsg);
1381	HRESULT runUSBDeviceFilters(const ComPtr<IUSBDevice> &aDevice,
1382	BOOL *aMatched,
1383	ULONG *aMaskedInterfaces);
1384	HRESULT captureUSBDevice(const com::Guid &aId, const com::Utf8Str &aCaptureFilename);
1385	HRESULT detachUSBDevice(const com::Guid &aId,
1386	BOOL aDone);
1387	HRESULT autoCaptureUSBDevices();
1388	HRESULT detachAllUSBDevices(BOOL aDone);
1389	HRESULT onSessionEnd(const ComPtr<ISession> &aSession,
1390	ComPtr<IProgress> &aProgress);
1391	HRESULT finishOnlineMergeMedium();
1392	HRESULT pullGuestProperties(std::vector<com::Utf8Str> &aNames,
1393	std::vector<com::Utf8Str> &aValues,
1394	std::vector<LONG64> &aTimestamps,
1395	std::vector<com::Utf8Str> &aFlags);
1396	HRESULT pushGuestProperty(const com::Utf8Str &aName,
1397	const com::Utf8Str &aValue,
1398	LONG64 aTimestamp,
1399	const com::Utf8Str &aFlags);
1400	HRESULT lockMedia();
1401	HRESULT unlockMedia();
1402	HRESULT ejectMedium(const ComPtr<IMediumAttachment> &aAttachment,
1403	ComPtr<IMediumAttachment> &aNewAttachment);
1404	HRESULT reportVmStatistics(ULONG aValidStats,
1405	ULONG aCpuUser,
1406	ULONG aCpuKernel,
1407	ULONG aCpuIdle,
1408	ULONG aMemTotal,
1409	ULONG aMemFree,
1410	ULONG aMemBalloon,
1411	ULONG aMemShared,
1412	ULONG aMemCache,
1413	ULONG aPagedTotal,
1414	ULONG aMemAllocTotal,
1415	ULONG aMemFreeTotal,
1416	ULONG aMemBalloonTotal,
1417	ULONG aMemSharedTotal,
1418	ULONG aVmNetRx,
1419	ULONG aVmNetTx);
1420	HRESULT authenticateExternal(const std::vector<com::Utf8Str> &aAuthParams,
1421	com::Utf8Str &aResult);
1422
1423
1424	struct ConsoleTaskData
1425	{
1426	ConsoleTaskData()
1427	: mLastState(MachineState_Null),
1428	mDeleteSnapshotInfo(NULL)
1429	{ }
1430
1431	MachineState_T mLastState;
1432	ComObjPtr<Progress> mProgress;
1433
1434	// used when deleting online snaphshot
1435	void *mDeleteSnapshotInfo;
1436	};
1437
1438	class SaveStateTask;
1439	class SnapshotTask;
1440	class TakeSnapshotTask;
1441	class DeleteSnapshotTask;
1442	class RestoreSnapshotTask;
1443
1444	void i_saveStateHandler(SaveStateTask &aTask);
1445
1446	// Override some functionality for SessionMachine, this is where the
1447	// real action happens (the Machine methods are just dummies).
1448	HRESULT saveState(ComPtr<IProgress> &aProgress);
1449	HRESULT adoptSavedState(const com::Utf8Str &aSavedStateFile);
1450	HRESULT discardSavedState(BOOL aFRemoveFile);
1451	HRESULT takeSnapshot(const com::Utf8Str &aName,
1452	const com::Utf8Str &aDescription,
1453	BOOL aPause,
1454	com::Guid &aId,
1455	ComPtr<IProgress> &aProgress);
1456	HRESULT deleteSnapshot(const com::Guid &aId,
1457	ComPtr<IProgress> &aProgress);
1458	HRESULT deleteSnapshotAndAllChildren(const com::Guid &aId,
1459	ComPtr<IProgress> &aProgress);
1460	HRESULT deleteSnapshotRange(const com::Guid &aStartId,
1461	const com::Guid &aEndId,
1462	ComPtr<IProgress> &aProgress);
1463	HRESULT restoreSnapshot(const ComPtr<ISnapshot> &aSnapshot,
1464	ComPtr<IProgress> &aProgress);
1465
1466	void i_releaseSavedStateFile(const Utf8Str &strSavedStateFile, Snapshot *pSnapshotToIgnore);
1467
1468	void i_takeSnapshotHandler(TakeSnapshotTask &aTask);
1469	static void i_takeSnapshotProgressCancelCallback(void *pvUser);
1470	HRESULT i_finishTakingSnapshot(TakeSnapshotTask &aTask, AutoWriteLock &alock, bool aSuccess);
1471	HRESULT i_deleteSnapshot(const com::Guid &aStartId,
1472	const com::Guid &aEndId,
1473	BOOL aDeleteAllChildren,
1474	ComPtr<IProgress> &aProgress);
1475	void i_deleteSnapshotHandler(DeleteSnapshotTask &aTask);
1476	void i_restoreSnapshotHandler(RestoreSnapshotTask &aTask);
1477
1478	HRESULT i_prepareDeleteSnapshotMedium(const ComObjPtr<Medium> &aHD,
1479	const Guid &machineId,
1480	const Guid &snapshotId,
1481	bool fOnlineMergePossible,
1482	MediumLockList *aVMMALockList,
1483	ComObjPtr<Medium> &aSource,
1484	ComObjPtr<Medium> &aTarget,
1485	bool &fMergeForward,
1486	ComObjPtr<Medium> &pParentForTarget,
1487	MediumLockList * &aChildrenToReparent,
1488	bool &fNeedOnlineMerge,
1489	MediumLockList * &aMediumLockList,
1490	ComPtr<IToken> &aHDLockToken);
1491	void i_cancelDeleteSnapshotMedium(const ComObjPtr<Medium> &aHD,
1492	const ComObjPtr<Medium> &aSource,
1493	MediumLockList *aChildrenToReparent,
1494	bool fNeedsOnlineMerge,
1495	MediumLockList *aMediumLockList,
1496	const ComPtr<IToken> &aHDLockToken,
1497	const Guid &aMediumId,
1498	const Guid &aSnapshotId);
1499	HRESULT i_onlineMergeMedium(const ComObjPtr<MediumAttachment> &aMediumAttachment,
1500	const ComObjPtr<Medium> &aSource,
1501	const ComObjPtr<Medium> &aTarget,
1502	bool fMergeForward,
1503	const ComObjPtr<Medium> &pParentForTarget,
1504	MediumLockList *aChildrenToReparent,
1505	MediumLockList *aMediumLockList,
1506	ComObjPtr<Progress> &aProgress,
1507	bool *pfNeedsMachineSaveSettings);
1508
1509	HRESULT i_setMachineState(MachineState_T aMachineState);
1510	HRESULT i_updateMachineStateOnClient();
1511
1512	bool mRemoveSavedState;
1513
1514	ConsoleTaskData mConsoleTaskData;
1515
1516	/** client token for this machine */
1517	ClientToken *mClientToken;
1518
1519	int miNATNetworksStarted;
1520
1521	AUTHLIBRARYCONTEXT mAuthLibCtx;
1522	};
1523
1524	// SnapshotMachine class
1525	////////////////////////////////////////////////////////////////////////////////
1526
1527	/**
1528	* @note Notes on locking objects of this class:
1529	* SnapshotMachine shares some data with the primary Machine instance (pointed
1530	* to by the \|mPeer\| member). In order to provide data consistency it also
1531	* shares its lock handle. This means that whenever you lock a SessionMachine
1532	* instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
1533	* instance is also locked in the same lock mode. Keep it in mind.
1534	*/
1535	class ATL_NO_VTABLE SnapshotMachine :
1536	public Machine
1537	{
1538	public:
1539	VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(SnapshotMachine, IMachine)
1540
1541	DECLARE_NOT_AGGREGATABLE(SnapshotMachine)
1542
1543	DECLARE_PROTECT_FINAL_CONSTRUCT()
1544
1545	BEGIN_COM_MAP(SnapshotMachine)
1546	COM_INTERFACE_ENTRY(ISupportErrorInfo)
1547	COM_INTERFACE_ENTRY(IMachine)
1548	COM_INTERFACE_ENTRY2(IDispatch, IMachine)
1549	VBOX_TWEAK_INTERFACE_ENTRY(IMachine)
1550	END_COM_MAP()
1551
1552	DECLARE_EMPTY_CTOR_DTOR(SnapshotMachine)
1553
1554	HRESULT FinalConstruct();
1555	void FinalRelease();
1556
1557	// public initializer/uninitializer for internal purposes only
1558	HRESULT init(SessionMachine *aSessionMachine,
1559	IN_GUID aSnapshotId,
1560	const Utf8Str &aStateFilePath);
1561	HRESULT initFromSettings(Machine *aMachine,
1562	const settings::Hardware &hardware,
1563	const settings::Debugging *pDbg,
1564	const settings::Autostart *pAutostart,
1565	IN_GUID aSnapshotId,
1566	const Utf8Str &aStateFilePath);
1567	void uninit();
1568
1569	// util::Lockable interface
1570	RWLockHandle *lockHandle() const;
1571
1572	// public methods only for internal purposes
1573
1574	virtual bool i_isSnapshotMachine() const
1575	{
1576	return true;
1577	}
1578
1579	HRESULT i_onSnapshotChange(Snapshot *aSnapshot);
1580
1581	// unsafe inline public methods for internal purposes only (ensure there is
1582	// a caller and a read lock before calling them!)
1583
1584	const Guid& i_getSnapshotId() const { return mSnapshotId; }
1585
1586	private:
1587
1588	Guid mSnapshotId;
1589	/** This field replaces mPeer for SessionMachine instances, as having
1590	* a peer reference is plain meaningless and causes many subtle problems
1591	* with saving settings and the like. */
1592	Machine * const mMachine;
1593
1594	friend class Snapshot;
1595	};
1596
1597	// third party methods that depend on SnapshotMachine definition
1598
1599	inline const Guid &Machine::i_getSnapshotId() const
1600	{
1601	return (i_isSnapshotMachine())
1602	? static_cast<const SnapshotMachine*>(this)->i_getSnapshotId()
1603	: Guid::Empty;
1604	}
1605
1606
1607	#endif // ____H_MACHINEIMPL
1608	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/include/MachineImpl.h@ 72098

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